concentration Definition in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “concentration” - English Dictionary

Definition of "concentration" - American English Dictionary

See all translations

concentrationnoun

 us   /ˌkɑn·sənˈtreɪ·ʃən/

concentration noun (COMING TOGETHER)

a ​largeamount of something in the same ​place: [C] There’s a ​heavy concentration of ​poor and ​elderly in the ​district.

concentration noun (GIVING ATTENTION)

[U] a lot of ​attention and ​thoughtdirected to an ​activity or ​subject: He had a ​look of ​intense concentration on his ​face.

concentration noun (SUBSTANCE)

the ​amount of a ​substance that is ​mixed with ​water or another ​substance
(Definition of concentration from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "concentration" - British English Dictionary

See all translations

concentrationnoun

uk   /ˌkɒn.sənˈtreɪ.ʃən/  us   /ˌkɑːn-/

concentration noun (ATTENTION)

B2 [U] the ​ability to ​thinkcarefully about something you are doing and nothing ​else: The ​noiseoutside made concentration ​difficult. There was a ​look of intense concentration on her ​face. I ​find that ​yogaimproves my powers of concentration. It was hard to ​follow what the ​teacher was saying, and ​eventually I lost concentration. The party's concentration ontaxreduction has ​won them a lot of ​support.
More examples

concentration noun (AMOUNT)

C2 [C or U] a ​largenumber or ​amount of something in the same ​place: There is a ​heavy concentration oftroops in the ​area. [C or U] specialized chemistry the ​exactamount of one ​particularsubstance that is ​found in another ​substance: a concentration of one ​partper million High concentrations oftoxicelements were ​found in the ​pollutedareas.
(Definition of concentration from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "concentration" - Business English Dictionary

See all translations

concentrationnoun

uk   us   /ˌkɒnsənˈtreɪʃən/
[C or U] the fact of there being a large ​number or ​amount of ​people or things of the same ​type in the same ​place: The state's ​highest concentration of ​wealth is in the metro ​areas. Denver has one of the biggest concentrations of ​techworkers in the country. By ​identifyinggeographical concentrations of ​industries, we can ​identifytrainingneeds that exist in those ​regions.
[U] the fact of things being ​combined into a ​singlegroup, or ​controlled by the same ​person or ​organization: This ​situation has resulted in the concentration of the ​industry in the ​hands of a few ​multinationalcompanies.
[U] the ​ability to give all of your ​attention to one particular ​activity, ​subject, or problem: Low ​costs and concentration oncorebusinessactivitiesform the ​basis of our ​success. Many of the mistakes she made in the ​job were ​due to a ​lack of concentration.
(Definition of concentration from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of concentration?
Add Cambridge dictionaries to your browser to your website
Word of the Day
coeducational

having male and female students being taught together in the same school or college rather than separately

Word of the Day

Introducing a new author and a new weekly blog post!
Introducing a new author and a new weekly blog post!
by Cambridge Dictionaries Online,
August 27, 2015
The English language is constantly changing. You know that. But did you know that at Cambridge Dictionaries Online we keep track of the changes? We continually add new words and new meanings to our online dictionary for learners of English. Some of them are new to English entirely (neologisms), and some

Read More 

hyperpalatable adjective
hyperpalatable adjective
August 24, 2015
describes food with heightened levels of sugar and salt, intended to be extremely appealing In Brazil, where the prevalence of overweight and obese adults has doubled since 1980, crisps, biscuits, energy bars and sugary drinks formulated to be ‘hyper-palatable’ are much more widely eaten than previously.

Read More